A computer-implemented method, system, and computer program product for generating an application is disclosed. A pattern module associated with an application pattern is provided. The pattern module includes a model of the application pattern, a design time component to provide content for the model, and a runtime component to execute the operation associated with the model based with the content. A set of dependencies among the model, the design time component, and the runtime component is determined. A set of interfaces is then generated to couple the model, the design time component, and the runtime component based on the set of dependencies.